Patent US2220966A successfully refreshed from Google Patents.
US2220966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Titanium oxide suspensions
Assignee: EIDP Inc
•
Filing: 1938-07-16
•
Granted: 1940-11-12
•
Expires: 1958-07-16
Abstract
No abstract record available.
Inventors
- 👤 Ignace J Krchma
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:33
CPC Classifications
C; C09; C09D; C09D17/00; C09D17/004; C09D17/007; C09D17/008; C09C; C09C1/00; C09C1/0081; C09C1/0084; C09C1/36; C09C1/3692; C09C3/00; C09C3/04; C09C3/043; C09C3/06; C09C3/08; C01; C01P; C01P2006/00; C01P2006/80
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-11-12 | 1944-05-13 | 1944-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-11-12 | 1948-05-13 | 1948-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-11-12 | 1952-05-13 | 1952-11-12 | $7700.00 | Window Closed / Lapsed |